Variational Monte Carlo method for the Baeriswyl wave function: Application to the one-dimensional bosonic Hubbard model

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buir.contributor.authorTanatar, Bilal
buir.contributor.orcidTanatar, Bilal|0000-0002-5246-0119
dc.citation.epage174518-6en_US
dc.citation.spage174518-1en_US
dc.citation.volumeNumber93en_US
dc.contributor.authorHetényi, B.en_US
dc.contributor.authorTanatar, Bilalen_US
dc.contributor.authorMartelo, L. M.en_US
dc.date.accessioned2018-04-12T10:43:58Z
dc.date.available2018-04-12T10:43:58Z
dc.date.issued2016en_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractA variational Monte Carlo method for bosonic lattice models is introduced. The method is based on the Baeriswyl projected wave function. The Baeriswyl wave function consists of a kinetic energy based projection applied to the wave function at infinite interaction, and is related to the shadow wave function already used in the study of continuous models of bosons. The wave function at infinite interaction, and the projector, are represented in coordinate space, leading to an expression for expectation values which can be evaluated via Monte Carlo sampling. We calculate the phase diagram and other properties of the bosonic Hubbard model. The calculated phase diagram is in excellent agreement with known quantum Monte Carlo results. We also analyze correlation functions.en_US
dc.description.provenanceMade available in DSpace on 2018-04-12T10:43:58Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 179475 bytes, checksum: ea0bedeb05ac9ccfb983c327e155f0c2 (MD5) Previous issue date: 2016
dc.identifier.doi10.1103/PhysRevB.93.174518en_US
dc.identifier.issn2469-9950
dc.identifier.urihttp://hdl.handle.net/11693/36550
dc.language.isoEnglishen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.isversionofhttp://dx.doi.org/10.1103/PhysRevB.93.174518en_US
dc.source.titlePhysical Review Ben_US
dc.titleVariational Monte Carlo method for the Baeriswyl wave function: Application to the one-dimensional bosonic Hubbard modelen_US
dc.typeArticleen_US

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